CN103594559A - Manufacturing method of self-repairing solar-cell back film - Google Patents
Manufacturing method of self-repairing solar-cell back film Download PDFInfo
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- CN103594559A CN103594559A CN201310588891.2A CN201310588891A CN103594559A CN 103594559 A CN103594559 A CN 103594559A CN 201310588891 A CN201310588891 A CN 201310588891A CN 103594559 A CN103594559 A CN 103594559A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2461/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08J2461/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention relates to the technical field of solar cell backboards, in particular to a manufacturing method of a self-repairing solar-cell back film. Firstly, self-repairing agents are prepared; secondly, a nylon self-repairing backboard is manufactured. According to the manufacturing method, epoxy resin adhesives are chosen preferentially, and terminal amino groups in nylon molecular structures can be used as curing agents of epoxy resin; when the nylon backboard bears external acting force, the self-repairing agents pre-buried in the backboard can be rapidly released out of cores, the epoxy resin reacts with the nylon terminal amino groups in the nylon backboard, curing and cross-linking are conducted, cracks caused by the external acting force can be repaired rapidly so as to obtain higher performance, repairing efficiency is improved greatly, unnecessary loss is avoided, and labor cost is saved.
Description
Technical field
The present invention relates to a kind of battery back-sheet, relate in particular to a kind of preparation method of selfreparing nylon solar cell backboard.
Background technology
Fast development along with heliotechnics, solar cell is universal in worldwide gradually, but the amblent air temperature of various places has very large difference, in the process of using and under the effect of surrounding environment, solar energy backboard inevitably can produce local damage and micro-crack, cause mechanical properties decrease, the generation of crackle also can produce certain potential potential safety hazard to solar cell, therefore, early detection and the reparation of backboard micro-crack in the process of using are very actual problems, but the limitation of current technology, and the micro-crack of polymer often occurs in body depths, as the damage of the microcosmic scopes such as matrix crack splits is just difficult to find, if these damage locations can not be repaired in time, not only can affect normal use and the reduction of service life of structural elements, and can cause a serious accident.Therefore, develop a solar cell backboard with self-reparing capability imperative.About the research of solar energy selfreparing backboard, also do not report both at home and abroad at present.
Summary of the invention
The technical problem to be solved in the present invention is: in use, the harm that the damage of generation and micro-crack cause lithium battery, provides a kind of preparation method of selfreparing nylon solar cell backboard to solar cell backboard.
In order to overcome the defect existing in background technology, the technical solution adopted for the present invention to solve the technical problems is: this self repairing agent preparation method is:
First, system is joined self repairing agent:
Urea and formalin are joined in the there-necked flask with reflux, the proportional control of urea and formaldehyde, between 1:1 ~ 1:3, after treating that urea dissolves completely, regulates pH value between 8 ~ 9, be warming up to 1 ~ 1.5h between 60 ~ 70 ℃, obtain the urea resin prepolymer that thickness is transparent;
By urea resin prepolymer with concentration between 10% ~ 30% emulsifier aqueous solution mixes, add core epoxy resin, core epoxy resin accounts for 2% ~ 5% of gross mass, add 1 ~ 2 defoamer n-octyl alcohol, under 300 ~ 500r/min rotating speed, disperse 15 ~ 25min left and right to form stable emulsion, regulate pH value to 2 ~ 3, be slowly warming up to 55 ~ 60 ℃, continue reaction 2 ~ 3h, washing, filtration, the dry microcapsule product that obtains;
Described emulsifying agent is neopelex, lauryl sodium sulfate;
Secondly, make nylon selfreparing backboard, its mainly fill a prescription (mark calculating by weight) is:
100 parts of nylon
0.1 ~ 0.5 part of UV absorbers
0.1 ~ 0.5 part of UV light stabilizing agent
0.1 ~ 0.5 part, antioxidant
1 ~ 5 part of self repairing agent
1 ~ 5 part of flexibilizer.
According to another embodiment of the invention, the compound proportion that further comprises described UV absorbers and UV light stabilizing agent is between 1:1 ~ 1:3.
According to another embodiment of the invention, further comprise that described antioxidant is composite by phenolic antioxidant and phosphite antioxidant, compound proportion is between 1:1 ~ 1:2.
According to another embodiment of the invention, the antioxidant that further comprises described phenols is 2, tri-grades of butyl-4-methylphenols of 6-, two (3, tri-grades of butyl-4-hydroxy phenyls of 5-) thioether, four (β-(3, tri-grades of butyl-4-hydroxy phenyls of 5-) propionic acid) pentaerythritol ester, phosphite antioxidant be mainly three monooctyl esters, three the last of the ten Heavenly stems ester, three (Lauryl Alcohol) esters and three (16 carbon alcohol) ester etc.
According to another embodiment of the invention, further comprise that described nylon is 1013B, 1012B or 1022B.
According to another embodiment of the invention, further comprise that described UV absorbers is Tinuvin 234, Tinuvin 327 or Tinuvin P.
According to another embodiment of the invention, further comprise that described UV light stabilizing agent is Tinuvin 770 or Tinuvin123.
According to another embodiment of the invention, further comprise that described flexibilizer is St200, St2000 or AX8900.
The invention has the beneficial effects as follows: at preferred epoxy adhesive of the present invention, end amido in nylon molecular structure can be used as the curing agent of epoxy resin, when nylon backboard is subject to external influence power, the self repairing agent that is embedded in backboard can discharge core core fast, epoxy resin reacts with the nylon end amido in nylon backboard, curing cross-linked, crack repair that can power causes to external world is fast to obtain higher performance, remediation efficiency increases substantially, avoid unnecessary loss, save labor cost.
Embodiment
In the solar cell backboard of patent of the present invention, there is self-repair function nylon layer, its main component is nylon, other auxiliary agents and self-repairing microcapsule, wherein self-repairing microcapsule mainly wraps and expands nucleocapsid and two parts of core, wherein for the selection of core, to consider following some: to consider that it has longer useful life, good fluidity, reactivity worth is good, and (renovation agent discharging is rapid polymerization reaction take place key and crack surface at ambient temperature, renovation agent polymerization reaction must can be reacted rapidly before its volatilization), shrinkage is low and have a good physical property, therefore, in patent of the present invention and above factor, preferred epoxy adhesive, end amido in nylon molecular structure can be used as the curing agent of epoxy resin, when nylon backboard is subject to external influence power, the self repairing agent that is embedded in backboard can discharge core core fast, epoxy resin reacts with the nylon end amido in nylon backboard, curing cross-linked, crack repair that can power causes to external world is fast to obtain higher performance, remediation efficiency increases substantially, in solar cell backboard industry, there is extraordinary development prospect.
The preparation method of this self-repair type solar battery back film, this self repairing agent preparation method is that first, system is joined self repairing agent:
Urea and formalin are joined in the there-necked flask with reflux, the proportional control of urea and formaldehyde, between 1:1 ~ 1:3, after treating that urea dissolves completely, regulates pH value between 8 ~ 9, be warming up to 1 ~ 1.5h between 60 ~ 70 ℃, obtain the urea resin prepolymer that thickness is transparent;
Urea resin prepolymer and emulsifier aqueous solution (concentration between 10% ~ 30%) are mixed, add core epoxy resin (account for gross mass 2% ~ 5%), add 1 ~ 2 defoamer n-octyl alcohol, under 300 ~ 500r/min rotating speed, disperse 15 ~ 25min to form stable emulsion, regulate pH value to 2 ~ 3, slowly be warming up to 55 ~ 60 ℃, continue reaction 2 ~ 3h, washing, filtration, the dry microcapsule product that obtains;
Emulsifying agent is neopelex, lauryl sodium sulfate;
Secondly, make nylon selfreparing backboard, its mainly fill a prescription (mark calculating by weight) is:
100 parts of nylon
0.1 ~ 0.5 part of UV absorbers
0.1 ~ 0.5 part of UV light stabilizing agent
0.1 ~ 0.5 part, antioxidant
1 ~ 5 part of self repairing agent
1 ~ 5 part of flexibilizer.
Wherein, the compound proportion of UV absorbers and UV light stabilizing agent is between 1:1 ~ 1:3.
Antioxidant is composite by phenolic antioxidant and phosphite antioxidant, and compound proportion is between 1:1 ~ 1:2.
Wherein, phenolic antioxidant is 2, tri-grades of butyl-4-methylphenols of 6-, two (3, tri-grades of butyl-4-hydroxy phenyls of 5-) thioether, four (β-(3, tri-grades of butyl-4-hydroxy phenyls of 5-) propionic acid) pentaerythritol ester, phosphite antioxidant be mainly three monooctyl esters, three the last of the ten Heavenly stems ester, three (Lauryl Alcohol) esters and three (16 carbon alcohol) ester etc.Nylon is 1013B, 1012B or 1022B.UV absorbers is Tinuvin 234, Tinuvin 327 or Tinuvin P.UV light stabilizing agent is Tinuvin 770 or Tinuvin123.Flexibilizer is St200, St2000 or AX8900.
The preparation of self repairing agent:
Urea and formalin are joined in the there-necked flask with reflux, and the proportional control of urea and formaldehyde, at 1:1, after treating that urea dissolves completely, regulates pH value 8, is warming up to 60 ℃ and keeps 1h, obtains the urea resin prepolymer that thickness is transparent.Urea resin prepolymer is mixed with certain density emulsifier aqueous solution, add a certain amount of core epoxy resin, add 2 defoamer n-octyl alcohols, under 300r/min rotating speed, disperse 25min to form stable emulsion.Regulate pH value to 3, be slowly warming up to 55 ℃, continue reaction 3h, washing, filtration, the dry microcapsule product that obtains.
The preparation of nylon backboard:
100 parts of nylon 1013B
234 0.1 parts of Tinuvin
770 0.1 parts of Tinuvin
0.1 part of tri-grades of butyl-4-methylphenol of 2,6-
Three 0.2 part of monooctyl ester
5 parts of self repairing agents
1 ~ 5 part of AX8900
According to above-mentioned formula, weigh the good required amount of each component, carry out blend, blend speed is controlled at 200r/min, the pellet mixing, through double-screw extruding pelletizing, wherein (the outstanding grace in Nanjing is ad hoc for Co., Ltd for double screw extruder, SHJ-30, screw slenderness ratio 35:1) processing temperature arranges 220 ℃ ~ 250 ℃.The pellet preparing, is dried by single Screw Extrusion casting machine curtain coating and becomes thickness at the finished product of 150um left and right, stand-by.Wherein the processing temperature of single Screw Extrusion casting machine is arranged on 220 ℃ ~ 250 ℃.
Embodiment 2:
The preparation of self repairing agent:
Urea and formalin are joined in the there-necked flask with reflux by certain mass ratio, the proportional control of urea and formaldehyde, at 1:2, after treating that urea dissolves completely, regulates pH value 9, be warming up to 1.5h between 70 ℃, obtain the urea resin prepolymer that thickness is transparent.Urea resin prepolymer is mixed with certain density emulsifier aqueous solution, add a certain amount of core epoxy resin, add 1 defoamer n-octyl alcohol, under 500r/min rotating speed, disperse 25min to form stable emulsion.Regulate pH value to 3, be slowly warming up to 60 ℃, continue reaction 3h, washing, filtration, the dry microcapsule product that obtains.
The preparation of nylon backboard:
100 parts of Nylon 1012 B
327 0.15 parts of Tinuvin
0.3 part of Tinuvin123
0.5 part of two (tri-grades of butyl-4-hydroxy phenyls of 3,5-) thioether
0.5 part of three (Lauryl Alcohol) ester
4 parts of self repairing agents
3 parts of ST2000
According to above-mentioned formula, weigh the good required amount of each component, carry out blend, blend speed is controlled at 250r/min, the pellet mixing, extruding pelletization, wherein double screw extruder (the ad hoc standby Co., Ltd of the outstanding grace in Nanjing, SHJ-30, screw slenderness ratio 35:1) processing temperature arranges 220 ℃ ~ 250 ℃.The pellet preparing, is dried by single Screw Extrusion casting machine curtain coating and becomes thickness at the finished product of 150um left and right, stand-by.Wherein the processing temperature of single Screw Extrusion casting machine is arranged on 220 ℃ ~ 250 ℃.
Embodiment 3:
The preparation of self repairing agent:
Urea and formalin are joined in the there-necked flask with reflux by certain mass ratio, the proportional control of urea and formaldehyde, at 1:2, after treating that urea dissolves completely, regulates pH value 8.5, be warming up to 1.5h between 70 ℃, obtain the urea resin prepolymer that thickness is transparent.Urea resin prepolymer is mixed with certain density emulsifier aqueous solution, add a certain amount of core epoxy resin, add 2 defoamer n-octyl alcohols, under 400r/min rotating speed, disperse 20min to form stable emulsion.Regulate pH value to 3, be slowly warming up to 55 ℃, continue reaction 3h, washing, filtration, the dry microcapsule product that obtains.
The preparation of nylon backboard:
100 parts of nylon 1022B
0.1 part of Tinuvin P
0.3 part of Tinuvin123
0.1 part of four (β-(tri-grades of butyl-4-hydroxy phenyls of 3,5-) propionic acid) pentaerythritol ester
Three the last of the ten Heavenly stems 0.3 part of ester
1 part of self repairing agent
2.5 parts of ST200
According to above-mentioned formula, weigh the good required amount of each component, carry out blend, blend speed is controlled at 300r/min, the pellet mixing, extruding pelletization, wherein the temperature of double screw extruder (the ad hoc standby Co., Ltd of the outstanding grace in Nanjing, SHJ-30, screw slenderness ratio 35:1) is arranged on 220 ℃ ~ 250 ℃.The pellet preparing, is dried and becomes thickness at the finished product of 150um by single Screw Extrusion casting machine curtain coating, stand-by.Wherein the temperature of single Screw Extrusion casting machine is arranged on 220 ℃ ~ 250 ℃.
In order to illustrate that the standby nylon selfreparing backboard of patent system of the present invention has certain selfreparing effect, tests it, and its selfreparing effect is characterized.
Selfreparing Characterization result: at present very few about the research of solar cell backboard selfreparing, characterizing method about this respect is also unsound, consider the placement location of backboard in assembly and produce at present in the main performance of backboard is investigated to standard, patent of the present invention mainly considers that backboard is when being subject to external influence power, and the conservation rate of hot strength characterizes the selfreparing effect of backboard.Check backboard is through after bending repeatedly, and whether the hot strength of backboard can remain on more than 80%, compares (in Table 1) with the common backboard that does not add self repairing agent.
Table one: selfreparing effect efficiency characterizes
Claims (8)
1. a preparation method for self-repair type solar battery back film, is characterized in that, this self repairing agent preparation method is:
First, system is joined self repairing agent:
Urea and formalin are joined in the there-necked flask with reflux, the proportional control of urea and formaldehyde, between 1:1 ~ 1:3, after treating that urea dissolves completely, regulates pH value between 8 ~ 9, be warming up to 1 ~ 1.5h between 60 ~ 70 ℃, obtain the urea resin prepolymer that thickness is transparent;
By urea resin prepolymer, the emulsifier aqueous solution between 10% ~ 30% mixes with concentration, add core epoxy resin, core epoxy resin accounts for 2% ~ 5% of gross mass, add 1 ~ 2 defoamer n-octyl alcohol, under 300 ~ 500r/min rotating speed, disperse 15 ~ 25min to form stable emulsion, regulate pH value to 2 ~ 3, be slowly warming up to 55 ~ 60 ℃, continue reaction 2 ~ 3h, washing, filtration, the dry microcapsule product that obtains;
Described emulsifying agent is neopelex, lauryl sodium sulfate;
Secondly, make nylon selfreparing backboard, its mainly fill a prescription (mark calculating by weight) is:
100 parts of nylon
0.1 ~ 0.5 part of UV absorbers
0.1 ~ 0.5 part of UV light stabilizing agent
0.1 ~ 0.5 part, antioxidant
1 ~ 5 part of self repairing agent
1 ~ 5 part of flexibilizer.
2. the preparation method of self-repair type solar battery back film as claimed in claim 1, is characterized in that: described UV absorbers and the compound proportion of UV light stabilizing agent are between 1:1 ~ 1:3.
3. the preparation method of self-repair type solar battery back film as claimed in claim 1, is characterized in that: described antioxidant is composite by phenolic antioxidant and phosphite antioxidant, and compound proportion is between 1:1 ~ 1:2.
4. the preparation method of self-repair type solar battery back film as claimed in claim 1, it is characterized in that: described antioxidant is phenols, can be 2, tri-grades of butyl-4-methylphenols of 6-, two (3, tri-grades of butyl-4-hydroxy phenyls of 5-) thioether, four (β-(3, tri-grades of butyl-4-hydroxy phenyls of 5-) propionic acid) pentaerythritol ester, phosphite antioxidant be mainly three monooctyl esters, three the last of the ten Heavenly stems ester, three (Lauryl Alcohol) esters and three (16 carbon alcohol) ester.
5. the preparation method of self-repair type solar battery back film as claimed in claim 1, is characterized in that: described nylon is 1013B, 1012B or 1022B.
6. the preparation method of self-repair type solar battery back film as claimed in claim 1, is characterized in that: described UV absorbers is Tinuvin 234, Tinuvin 327 or Tinuvin P.
7. the preparation method of self-repair type solar battery back film as claimed in claim 1, is characterized in that: described UV light stabilizing agent is Tinuvin 770 or Tinuvin123.
8. the preparation method of self-repair type solar battery back film as claimed in claim 1, is characterized in that: described flexibilizer is St200, St2000 or AX8900.
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| CN104538491A (en) * | 2014-12-13 | 2015-04-22 | 乐凯胶片股份有限公司 | Solar cell backsheet repair solution |
| CN107141776A (en) * | 2017-07-03 | 2017-09-08 | 安徽省鸿鑫生物科技有限公司 | A kind of polymer composites |
| CN107722821A (en) * | 2017-10-23 | 2018-02-23 | 重庆大学 | A kind of insulated paint with self-repair function |
| CN107813579A (en) * | 2017-10-16 | 2018-03-20 | 中节能太阳能科技（镇江）有限公司 | A kind of photovoltaic module high withstand voltage back veneer material and the photovoltaic module being made from it |
| CN109616538A (en) * | 2018-12-13 | 2019-04-12 | 中节能太阳能科技（镇江）有限公司 | Selfreparing backboard and preparation method thereof and imbrication component |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538491A (en) * | 2014-12-13 | 2015-04-22 | 乐凯胶片股份有限公司 | Solar cell backsheet repair solution |
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| CN109616538A (en) * | 2018-12-13 | 2019-04-12 | 中节能太阳能科技（镇江）有限公司 | Selfreparing backboard and preparation method thereof and imbrication component |
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| CN103594559B (en) | 2016-03-23 |
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